How to mail a donation to Canadian Cancer Society
To mail a donation to Canadian Cancer Society, send your cheque — payable to Canadian Cancer Society — to Canadian Cancer Society, Suite 300, 55 St. Clair Avenue West, Toronto ON M4V 2Y7. The Canadian Cancer Society funds cancer research and provides support services, information, and advocacy for people affected by cancer across Canada. Enclose your name and return address so they can mail your receipt.
$6 flat — postage included · no account needed
Mailing address
Verified September 2026Mail a donation — Canadian Cancer Society
Canadian Cancer Society Suite 300 55 St. Clair Avenue West Toronto ON M4V 2Y7
Send your cheque — made payable to Canadian Cancer Society — to this address, with your name and return address enclosed. Use the "Send a letter" button to mail an accompanying note, a memorial tribute, or any message to the Canadian Cancer Society; the cheque itself you enclose and post yourself.
No printer, envelope, or stamp — we print and mail it the next business day.
Sources
Addresses verified September 2026 against official sources. Always confirm on the official site before time-sensitive filings.
Key facts
- Mail your cheque to: Canadian Cancer Society, Suite 300, 55 St. Clair Avenue West, Toronto ON M4V 2Y7.
- Make the cheque payable to Canadian Cancer Society — never send cash by mail.
- Include your name and return address — registered charities mail an official donation receipt you can claim on your taxes.
- Canadian Cancer Society is a national cancer charity.
- PostPal can't mail a cheque, but it prints and mails a letter to the Canadian Cancer Society — a covering note or a memorial tribute — for you.
How to send your letter
- 1
Write your cheque and a short note
Make the cheque payable to Canadian Cancer Society. If the Canadian Cancer Society sent you a donation form or reply slip, fill it in; otherwise include a note with your name, return address, and how you'd like the gift used (general, or a specific fund or tribute).
- 2
Address the envelope
First line: Canadian Cancer Society. Then, exactly as shown: Suite 300, 55 St. Clair Avenue West, Toronto ON M4V 2Y7. Copy it exactly — a wrong freepost or postal code can delay your gift and your receipt.
- 3
Add your return address for the receipt
Canadian Cancer Society issues an official donation receipt for income-tax purposes for eligible gifts, so print your full name and return address clearly and enclose them with your cheque.
- 4
Mail a letter to the Canadian Cancer Society without a post-office trip
Posting a physical cheque? Send it yourself so the payment reaches the Canadian Cancer Society. For a covering note, a memorial dedication, or any letter to the charity, write or upload it to PostPal — we print it, add your return address, and mail it for you, no printer or stamps needed.
Common questions
What is the mailing address to donate to Canadian Cancer Society?
Canadian Cancer Society, Suite 300, 55 St. Clair Avenue West, Toronto ON M4V 2Y7. Make your cheque payable to Canadian Cancer Society and enclose your name and return address so the Canadian Cancer Society can send your receipt. The Canadian Cancer Society funds cancer research and provides support services, information, and advocacy for people affected by cancer across Canada.
Who do I make the cheque payable to for the Canadian Cancer Society?
Make it payable to Canadian Cancer Society. Never send cash by mail — a cheque or money order is traceable and can be receipted, while cash can go missing and leaves you no record for tax purposes.
Will I get a receipt for a donation mailed to the Canadian Cancer Society?
Canadian Cancer Society issues an official donation receipt for income-tax purposes for eligible gifts, so print your full name and return address clearly and enclose them with your cheque.
Can PostPal mail my cheque to the Canadian Cancer Society?
PostPal prints and mails letters, not payments, so post a physical cheque yourself. What PostPal is great for is the letter that goes with a gift — a covering note, a message honouring someone, or any letter to the Canadian Cancer Society — printed and mailed for you with no printer or post-office trip.